%\cite{Chubar:FEL2015-MOP086} \bibitem{Chubar:FEL2015-MOP086} O.V.~Chubar, G.~Geloni, V.~Kocharyan, A.~Madsen, E.~Saldin, S.~Serkez, \emph{et al.}, % O.V. Chubar \emph{et al.}, \textquotedblleft{Novel Opportunities for Sub-meV Inelastic X-Ray Scattering Experiments at High-Repetition Rate Self-seeded XFELs}\textquotedblright, % in \emph{Proc. FEL2015}, MOP086, pp. 257--262, % in \emph{Proc. FEL2015}, Daejeon, Republic of Korea, August 2015, paper MOP086, pp. 257--262, in \emph{Proc. 37th International Free Electron Laser Conference (FEL2015)}, Daejeon, Republic of Korea, August 2015, paper MOP086, pp. 257--262, ISBN: 978-3-95450-134-2, \url{http://accelconf.web.cern.ch/AccelConf/FEL2015/papers/mop086.pdf}, doi:10.18429/JACoW-FEL2015-MOP086, 2015.